/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: WHY
 * Date: 2023-02-19
 * Time: 23:42
 */
public class TestDemo {
    public static void main(String[] args) {

        mysql> desc library;
        +--------+-------------+------+-----+---------+-------+
                | Field  | Type        | Null | Key | Default | Extra |
                +--------+-------------+------+-----+---------+-------+
                | name   | varchar(20) | YES  |     | NULL    |       |
| author | varchar(20) | YES  |     | NULL    |       |
| price  | int(11)     | YES  |     | NULL    |       |
| sort   | varchar(20) | YES  |     | NULL    |       |
        +--------+-------------+------+-----+---------+-------+
                4 rows in set (0.00 sec)

        mysql> select* from library;
        +------------------+-----------------+-------+-----------------+
                | name             | author          | price | sort            |
                +------------------+-----------------+-------+-----------------+
                | java核心技术     | Cay S. Horstman |    55 | 计算机技术      |
                +------------------+-----------------+-------+-----------------+
                        1 row in set (0.00 sec)

        mysql>
    }
}
